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University of Pennsylvania Smell Identification Test (UPSIT)
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Supplemental for Parkinson's Disease (PD)
Short Description of Instrument
The Smell Identification Test (UPSIT) is a self-administered 40-item questionnaire. This test was developed over 25 years ago and has been used extensively in studies of olfactory dysfunction in diverse populations. It has been employed in numerous studies of PD patients. More recent modifications of this test have been developed, with fewer test items, but this test remains the standard test practical for evaluating olfaction in large groups of patients.
The test uses strips of paper impregnated with microencapsulated odors that are released upon scratching the strip with a pencil. The patient is given four choices from which to choose the correct odor. Forty different odors are presented in this test.
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Silveira-Moriyama L, Petrie A, Williams DR, et al. The use of a color coded probability scale to interpret smell tests in suspected parkinsonism. Mov Disord 2009;24:1144- 1153.


Document last updated July 2019